Event ID 210
This issue will occur when there is a email that is over the size limit that the server handle. The default limit is set to 10mb. To be able to resolve this issue follow the step below
- Open "Exchange Mangement Shell"
- Type the Following commands below
- set-receiveconnector “Windows SBS Fax Sharepoint Receive [Sever Name]” -maxmessagesize 50mb
- set-receiveconnector “Windows SBS Internet Receive [Sever Name]” -maxmessagesize 50mb
- set-receiveconnector “Default [Sever Name]” -maxmessagesize 50mb
Here is a link to the source of the solution http://www.ojnetworks.com.au/2012/02/solutions-pop3-connector-issues-sbs-2011-messages-left-account-larger-maximum-acceptable-message-size/